what do you say we get back
to SURFACE tension of domain walls?
The Big Bang Theory Season 9, Episode 10
Erase the hard drives, grab the tapes, wipe
our fingerprints off every SURFACE and run.
The Big Bang Theory Season 2, Episode 8
or under the icy SURFACE
of Europa?
The Big Bang Theory Season 11, Episode 10
...as the SURFACE of
an n-dimensional superfluid.
The Big Bang Theory Season 8, Episode 23
Then a laser will map
the reflective SURFACE...
The Big Bang Theory Season 6, Episode 5